{ "currentVersion": 10.91, "serviceDescription": "The purpose is to provide a seamless raster image for Oregon of the 1995 one-meter orthoimagery. This data depicts physical features on the surface of the earth. It has been constructed to be used for online access. Digital orthoimages serve a variety of purposes, from interim maps to field references for earth science investigations and analysis. The imagery (or extracts from it) may be useful as a layer of a geographic information system and as a tool for revision of digital line graphs and topographic maps. A State Lambert mosaic derived from one-meter resolution Digital Orthophoto Quadrangles (DOQ) of the entire state of Oregon from the 1995 for multiple state agencies in Oregon. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a 1-meter ground resolution, quarter-quadrangle (3.75-minutes of latitude by 3.75-minutes of longitude) image cast on the Universal Transverse Mercator Projection (UTM) on the North American Datum of 1983 (NAD83).The geographic extent of the DOQ is equivalent to a quarter-quad plus The overedge ranges a minimum of 50 meters to a maximum of 300 meters beyond the extremes of the primary and secondary corner points. The overedge is included to facilitate tonal matching for mosaicking and for the placement of the NAD83 and secondary datum corner ticks. The normal orientation of data is by lines (rows) and samples (columns). Each line contains a series of pixels ordered from west to east with the order of the lines from north to south. The standard, archived digital orthophoto is formatted as four ASCII header records, followed by a series of 8-bit binary image data records. The radiometric image brightness values are stored as 256 gray levels ranging from 0 to 255. The metadata provided in the digital orthophoto contain a wide range of descriptive information including format source information, production instrumentation and dates, and data to assist with displaying and georeferencing the image. The images have been projected in to the Oregon Geographic Information Council (OGIC) standard projection (Oregon Lambert). A description of the coordinate system is found at: http://gis.oregon.gov. ", "name": "NAIP_1995/NAIP_1995_SL", "description": "The purpose is to provide a seamless raster image for Oregon of the 1995 one-meter orthoimagery. This data depicts physical features on the surface of the earth. It has been constructed to be used for online access. Digital orthoimages serve a variety of purposes, from interim maps to field references for earth science investigations and analysis. 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